Java tutorial
//package com.java2s; /* *********************************************************************** * * project: org.matsim.* * CollectionUtils.java * * * *********************************************************************** * * * * copyright : (C) 2013 by the members listed in the COPYING, * * LICENSE and WARRANTY file. * * email : info at matsim dot org * * * * *********************************************************************** * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * See also COPYING, LICENSE and WARRANTY file * * * * *********************************************************************** */ import java.util.Collection; public class Main { public static boolean intersects(final Collection<?> c1, final Collection<?> c2) { for (Object o : c1) { if (c2.contains(o)) return true; } return false; } }